15 beste Stellen als javascript in baden ag – aktuell auf Personalsuche

Fuel - Senior Web3 Software Engineer
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Scalera —Zürich, ZH
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Fuel - Senior Web3 Software Engineer

deCircle
Zürich, ZH

Direkt bewerben

Details zur Stelle

100%

Qualifikationen

Oracle
Slack
Bachelor
JavaScript
GitHub

Vollständige Stellenbeschreibung

Fuel is a high-performance blockchain operating system that redefines what's possible on Ethereum. By combining unparalleled throughput with the core principles of decentralization and security, our platform simplifies the development process for builders worldwide.

We are looking for a Senior Web3 Software Engineer to lead the development of high-performance decentralized applications (dapps) in a blockchain-native environment. You will own major product surfaces end-to-end—from frontend interfaces to on-chain integrations—collaborating closely with product, design, backend, and smart contract teams to ship secure, reliable, and intuitive experiences for traders and users.

Responsibilities

Design, build, and maintain modern, responsive frontend applications integrated with blockchain protocols for core DeFi products like exchanges.
Integrate with blockchain infrastructure (e.g., EVM chains, Fuel VM), wallet extensions (MetaMask, Phantom, WalletConnect), and on-chain data sources (e.g., subgraphs, indexers).
Implement secure user flows for transactions, multi-sig approvals, cross-chain bridging, and account abstraction.
Collaborate on API design (REST/GraphQL), RPC optimization, and indexer queries for real-time data.
Establish frontend architecture, design systems, and Web3 best practices (testing with Hardhat/Foundry, gas optimization, reentrancy guards, accessibility).
Review code (including Solidity/Sway), mentor engineers, and drive technical decisions on stack interoperability and scalability.
Translate complex DeFi requirements (e.g., MEV protection, oracle feeds) into intuitive UI/UX for trading interfaces.
Proactively identify technical debt in smart contracts or frontend, propose upgrades (e.g., account abstraction), and shape the product roadmap technically

5+ years of professional experience as a software engineer, with 2+ years in a senior/lead capacity building Web3 or blockchain applications.
Deep expertise in modern frontend frameworks (React, Next.js, Vue) with TypeScript/JavaScript, plus Web3 libraries (ethers.js, viem, wagmi).
Strong experience with complex, data-intensive dapps handling real-time streams (e.g., order books, AMM curves).
Proven blockchain integration skills: Browser wallet connections and signing & on-chain interactions via providers (Alchemy, Infura) and libraries for reads/writes/calls.
Solid grasp of web3 security (private key mgmt, blind signing risks, phishing, sandwich attacks).
Backend experience with node services (e.g., Express, FastAPI), off-chain indexers (The Graph), and event listening.
Proficiency in REST/GraphQL, data fetching (SWR, TanStack Query), and state management (Zustand, Redux) in volatile crypto contexts.
Excellent collaboration in fast-paced, autonomous teams using GitHub, Linear, and Discord/Slack.

Nice to have

Experience at a CEX/DEX (e.g., Uniswap, Fuel's O2, KuCoin integrations).
Building trading UIs (order books, candlestick charts via TradingView/Lightweight Charts, positions, PnL calculators).
Performance tuning for high-throughput DeFi (sub-ms latency, WebSockets for orderflow).
Prior DeFi/fintech work with tokenomics, liquidity mining, or audited protocols.
Design systems (e.g., RainbowKit, Wagmi connectors) and tooling (Vite, esbuild, Foundry for E2E tests).

Direkt bewerben

Erweiterte Suche

javascript Jobs in baden ag

Fuel - Senior Web3 Software Engineer

Experienced Low-Code Engineer (Mendix)

Salesforce Solution Architect for Marketing & Sales

AI & Data Consultant – Tax and Legal Innovation

System Engineer - Infrastructure Automation 100% (f/m/d)

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Software Development Engineer SAP/FIORI

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Solution Architect (w/m/d)

Forward Deployed Engineer

Salesforce Solution Architect for Marketing & Sales

Specialist Project Management Services / Atlassian Expert (m/w/d)

Senior Engineer D365 CRM

Industry Process Expert

Senior AdTech Engineer - Freelance (80-100%, remote/Zurich/Berlin)

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